Extracting single and two-exciton couplings in photosynthetic complexes by coherent two-dimensional electronic spectra [0.03%]
利用相干二维光电子谱从光合成复合物中提取单激发和双激发耦合
Darius Abramavicius,Benoit Palmieri,Shaul Mukamel
Darius Abramavicius
Signatures of "strong" J and "weak" K exciton couplings in the nonlinear femtosecond optical response of the FMO photosynthetic complex are identified. The two types of couplings originate from interactions of molecular transition charge di...
Variance of residence time spent by diffusing particle in a sub-domain. Path integral based approach [0.03%]
基于路径积分法的子域中扩散粒子停留时间的方差研究
A M Berezhkovskii
A M Berezhkovskii
Path integral based approach is used to analyze the variance of the residence time spent in a sub-domain by a particle diffusing in the presence of an arbitrary potential in a larger domain containing the sub-domain. It is assumed that ther...
Ultrafast time-resolved absorption spectroscopy of geometric isomers of carotenoids [0.03%]
卡罗烯几何异构体的超快瞬态吸收光谱研究
Dariusz M Niedzwiedzki,Daniel J Sandberg,Hong Cong et al.
Dariusz M Niedzwiedzki et al.
The structures of a number of stereoisomers of carotenoids have been revealed in three-dimensional X-ray crystallographic investigations of pigment-protein complexes from photosynthetic organisms. Despite these structural elucidations, the ...
Structural model and excitonic properties of the dimeric RC-LH1-PufX complex from Rhodobacter sphaeroides [0.03%]
柄杆菌内环二聚体复合物的结构模型及其激子性质研究
Melih Sener,Jen Hsin,Leonardo G Trabuco et al.
Melih Sener et al.
The light-harvesting apparatus of the purple bacterial photosynthetic unit consists of a pool of peripheral light-harvesting complexes that transfer excitation energy to a reaction center (RC) via the surrounding pigment-protein complex LH1...
Ultrafast Time-resolved Absorption Spectroscopy of Geometric Isomers of Carotenoids [0.03%]
каротиноиды几何异构体的超快时间分辨吸收光谱
Dariusz M Niedzwiedzki,Daniel J Sandberg,Hong Cong et al.
Dariusz M Niedzwiedzki et al.
The structures of a number of stereoisomers of carotenoids have been revealed in three-dimensional X-ray crystallographic investigations of pigment-protein complexes from photosynthetic organisms. Despite these structural elucidations, the ...
Time-resolved infrared spectroscopy of the lowest triplet state of thymine and thymidine [0.03%]
胸腺嘧啶和脱氧核糖胸苷三重态最低振动能级的飞秒时间分辨红外光谱研究
Patrick M Hare,Chris T Middleton,Kristin I Mertel et al.
Patrick M Hare et al.
Vibrational spectra of the lowest energy triplet states of thymine and its 2'-deoxyribonucleoside, thymidine, are reported for the first time. Time-resolved infrared (TRIR) difference spectra were recorded over seven decades of time from 30...
Control of laser induced molecular fragmentation of n-propyl benzene using chirped femtosecond laser pulses [0.03%]
利用飞秒激光脉冲控制异丙苯的分子解离碎片化过程研究
Tapas Goswami,S K Karthick Kumar,Aveek Dutta et al.
Tapas Goswami et al.
We present the effect of chirping a femtosecond laser pulse on the fragmentation of n-propyl benzene. An enhancement of an order of magnitude for the relative yields of C3H3+ and C5H5+ in the case of negatively chirped pulses and C6H5+ in t...
Ultrafast Electronic and Vibrational Dynamics of Stabilized A State Mutants of the Green Fluorescent Protein (GFP): Snipping the Proton Wire [0.03%]
稳定绿色荧光蛋白A态突变体的超快电子和振动动力学：切断质子导线
Deborah Stoner-Ma,Andrew A Jaye,Kate L Ronayne et al.
Deborah Stoner-Ma et al.
Two blue absorbing and emitting mutants (S65G/T203V/E222Q and S65T at pH 5.5) of the green fluorescent protein (GFP) have been investigated through ultrafast time resolved infra-red (TRIR) and fluorescence spectroscopy. In these mutants, in...
S C M Teixeira,J Ankner,M C Bellissent-Funel et al.
S C M Teixeira et al.
Neutron radiation offers significant advantages for the study of biological molecular structure and dynamics. A broad and significant effort towards instrumental and methodological development to facilitate biology experiments at neutron so...
The Role of the Tight-Turn, Broken Hydrogen Bonding, Glu222 and Arg96 in the Post-translational Green Fluorescent Protein Chromophore Formation [0.03%]
紧转换、断裂的氢键作用、Glu222和Arg96在多巴氨基酸侧链后翻译型绿色荧光蛋白发色团形成中的作用研究
Nathan P Lemay,Alicia L Morgan,Elizabeth J Archer et al.
Nathan P Lemay et al.
Green Fluorescent Proteins (GFP) and GFP-like proteins all undergo an autocatalytic post-translational modification to form a centrally located chromophore. Structural analyses of all the GFP and GFP-like proteins in the protein databank we...